diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/compiler/r3xx_fragprog.c')
| -rw-r--r-- | src/mesa/drivers/dri/r300/compiler/r3xx_fragprog.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/r3xx_fragprog.c b/src/mesa/drivers/dri/r300/compiler/r3xx_fragprog.c new file mode 100644 index 0000000000..76c3a7ecfd --- /dev/null +++ b/src/mesa/drivers/dri/r300/compiler/r3xx_fragprog.c @@ -0,0 +1,149 @@ +/* + * Copyright 2009 Nicolai Hähnle <nhaehnle@gmail.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * on the rights to use, copy, modify, merge, publish, distribute, sub + * license, and/or sell copies of the Software, and to permit persons to whom + * the Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#include "radeon_compiler.h" + +#include "shader/prog_parameter.h" +#include "shader/prog_print.h" +#include "shader/prog_statevars.h" + +#include "radeon_nqssadce.h" +#include "radeon_program_alu.h" +#include "r300_fragprog.h" +#include "r300_fragprog_swizzle.h" +#include "r500_fragprog.h" + + +static void nqssadce_init(struct nqssadce_state* s) +{ + struct r300_fragment_program_compiler * c = s->UserData; + s->Outputs[c->OutputColor].Sourced = WRITEMASK_XYZW; + s->Outputs[c->OutputDepth].Sourced = WRITEMASK_W; +} + +static void rewrite_depth_out(struct r300_fragment_program_compiler * c) +{ + struct rc_instruction *rci; + + for (rci = c->Base.Program.Instructions.Next; rci != &c->Base.Program.Instructions; rci = rci->Next) { + struct prog_instruction * inst = &rci->I; + + if (inst->DstReg.File != PROGRAM_OUTPUT || inst->DstReg.Index != c->OutputDepth) + continue; + + if (inst->DstReg.WriteMask & WRITEMASK_Z) { + inst->DstReg.WriteMask = WRITEMASK_W; + } else { + inst->DstReg.WriteMask = 0; + continue; + } + + switch (inst->Opcode) { + case OPCODE_FRC: + case OPCODE_MOV: + inst->SrcReg[0] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[0]); + break; + case OPCODE_ADD: + case OPCODE_MAX: + case OPCODE_MIN: + case OPCODE_MUL: + inst->SrcReg[0] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[0]); + inst->SrcReg[1] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[1]); + break; + case OPCODE_CMP: + case OPCODE_MAD: + inst->SrcReg[0] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[0]); + inst->SrcReg[1] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[1]); + inst->SrcReg[2] = lmul_swizzle(SWIZZLE_ZZZZ, inst->SrcReg[2]); + break; + default: + // Scalar instructions needn't be reswizzled + break; + } + } +} + +void r3xx_compile_fragment_program(struct r300_fragment_program_compiler* c) +{ + rewrite_depth_out(c); + + if (c->is_r500) { + struct radeon_program_transformation transformations[] = { + { &r500_transform_TEX, c }, + { &radeonTransformALU, 0 }, + { &radeonTransformDeriv, 0 }, + { &radeonTransformTrigScale, 0 } + }; + radeonLocalTransform(&c->Base, 4, transformations); + } else { + struct radeon_program_transformation transformations[] = { + { &r300_transform_TEX, c }, + { &radeonTransformALU, 0 }, + { &radeonTransformTrigSimple, 0 } + }; + radeonLocalTransform(&c->Base, 3, transformations); + } + + if (c->Base.Debug) { + _mesa_printf("Fragment Program: After native rewrite:\n"); + rc_print_program(&c->Base.Program); + fflush(stderr); + } + + if (c->is_r500) { + struct radeon_nqssadce_descr nqssadce = { + .Init = &nqssadce_init, + .IsNativeSwizzle = &r500FPIsNativeSwizzle, + .BuildSwizzle = &r500FPBuildSwizzle + }; + radeonNqssaDce(&c->Base, &nqssadce, c); + } else { + struct radeon_nqssadce_descr nqssadce = { + .Init = &nqssadce_init, + .IsNativeSwizzle = &r300FPIsNativeSwizzle, + .BuildSwizzle = &r300FPBuildSwizzle + }; + radeonNqssaDce(&c->Base, &nqssadce, c); + } + + if (c->Base.Debug) { + _mesa_printf("Compiler: after NqSSA-DCE:\n"); + rc_print_program(&c->Base.Program); + fflush(stderr); + } + + if (c->is_r500) { + r500BuildFragmentProgramHwCode(c); + } else { + r300BuildFragmentProgramHwCode(c); + } + + rc_constants_copy(&c->code->constants, &c->Base.Program.Constants); + + if (c->Base.Debug) { + if (c->is_r500) { + r500FragmentProgramDump(c->code); + } else { + r300FragmentProgramDump(c->code); + } + } +} |